Genetic Variant PEX5L:p.Arg250Cys (chr3-179859136-G-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_016559.3(PEX5L):c.748C>T(p.Arg250Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000112 in 1,613,520 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

PEX5L
NM_016559.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.66

Variant links:

Genes affected

PEX5L (HGNC:30024): (peroxisomal biogenesis factor 5 like) Enables peroxisome matrix targeting signal-1 binding activity and small GTPase binding activity. Predicted to be involved in protein import into peroxisome matrix, docking and regulation of cAMP-mediated signaling. Predicted to act upstream of or within maintenance of protein location and regulation of membrane potential. Located in cytosol. Part of receptor complex. [provided by Alliance of Genome Resources, Apr 2022]

PEX5L links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PEX5L	NM_016559.3 link	c.748C>T	p.Arg250Cys	missense_variant	Exon 8 of 15	ENST00000467460.6	NP_057643.1	Q8IYB4-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PEX5L	ENST00000467460.6 link	c.748C>T	p.Arg250Cys	missense_variant	Exon 8 of 15	1	NM_016559.3	ENSP00000419975.1		Q8IYB4-1

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152160

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000145

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000119

AC:

AN:

251404

Hom.:

AF XY:

0.00

AC XY:

AN XY:

135868

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000821

AC:

AN:

1461360

Hom.:

Cov.:

AF XY:

0.00000825

AC XY:

AN XY:

727024

show subpopulations

Gnomad4 AFR exome

AF:

0.000239

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000348

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000394

AC:

AN:

152160

Hom.:

Cov.:

AF XY:

0.0000404

AC XY:

AN XY:

74336

show subpopulations

Gnomad4 AFR

AF:

0.000145

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000189

ExAC

AF:

0.00000824

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 12, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.748C>T (p.R250C) alteration is located in exon 8 (coding exon 8) of the PEX5L gene. This alteration results from a C to T substitution at nucleotide position 748, causing the arginine (R) at amino acid position 250 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Uncertain

0.096

BayesDel_noAF

Pathogenic

0.14

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.52

.;D;.;.;.;.;.;.;.;T

Eigen

Uncertain

0.68

Eigen_PC

Pathogenic

0.71

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.95

D;D;D;D;D;D;D;.;D;D

M_CAP

Uncertain

0.17

MetaRNN

Uncertain

0.65

D;D;D;D;D;D;D;D;D;D

MetaSVM

Uncertain

0.62

MutationAssessor

Benign

2.0

.;M;.;.;.;.;.;.;.;.

PrimateAI

Uncertain

0.69

PROVEAN

Benign

-2.3

N;D;D;N;N;D;N;N;D;D

REVEL

Pathogenic

0.69

Sift

Pathogenic

0.0

D;D;D;D;D;D;D;D;D;D

Sift4G

Uncertain

0.050

T;T;T;T;T;T;T;T;T;.

Polyphen

1.0

.;D;D;D;.;.;.;.;.;.

Vest4

0.56

MutPred

0.46

.;Loss of MoRF binding (P = 0.0033);.;.;.;.;.;.;.;.;

MVP

0.89

MPC

0.79

ClinPred

0.96

GERP RS

5.8

Varity_R

0.49

gMVP

0.74

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over